Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 260mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke260 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S
The AirTAC SAIJ80X260-10-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 250 to 260 mm usable travel window, allowing you to dial back the nominal 260 mm stroke by up to 10 mm during commissioning without adding external stops. In this bore size, it generates 2513 N of push force and 2268 N of pull force at 0.5 MPa, placing it in a robust thrust class for heavy machine motion.
This unit includes a magnetic piston for position detection with CMSE reed and DMSE electronic sensors. It uses a PT tapered port and features a 25 mm carbon steel rod with an M20x1.5 thread. The extruded aluminum barrel incorporates sensor grooves on both sides, and the mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×260 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S Is Used
Product Changeover
Fine-tune the 250-260 mm travel window during line changeovers to accommodate different package sizes without swapping the cylinder.
Machine Setup
Dial in the exact retract position during initial commissioning, using the 10 mm rear stopper to perfect the end-of-stroke location.
Material Handling
Drive heavy diverters and gates using the 2513 N push force, relying on the adjustable stop to prevent overtravel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore (982 N push at 0.5 MPa) is too weak but a 100 mm bore (3927 N) is oversized. The adjustable stroke is ideal for product changeovers where exact end-of-travel positioning must be fine-tuned on the fly, unlike a fixed-stroke SAI cylinder. Because the rear adjuster is a travel stop and not a lock, this cylinder will not hold a load without live air; for fail-safe load holding, consider the SAIL or BSAI series. To match this ISO 15552 replacement exactly, specify the 80 mm bore, 260 mm stroke, 10 mm adjustment, PT port, and the -S magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X260-10S FAQ
At a 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 513 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from 260 mm down to 250 mm. It is a travel stop for end-position tuning, not a lock, and does not hold the load without continuous air pressure.
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